EP3176149A4 - Method for improving preservation stability of 2,2-difluoroacetoaldehyde - Google Patents

Method for improving preservation stability of 2,2-difluoroacetoaldehyde Download PDF

Info

Publication number
EP3176149A4
EP3176149A4 EP15827733.5A EP15827733A EP3176149A4 EP 3176149 A4 EP3176149 A4 EP 3176149A4 EP 15827733 A EP15827733 A EP 15827733A EP 3176149 A4 EP3176149 A4 EP 3176149A4
Authority
EP
European Patent Office
Prior art keywords
difluoroacetoaldehyde
preservation stability
improving preservation
improving
stability
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15827733.5A
Other languages
German (de)
French (fr)
Other versions
EP3176149A1 (en
EP3176149B1 (en
Inventor
Masaaki Takeda
Shinya Akiba
Ryo Nadano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd
Publication of EP3176149A1 publication Critical patent/EP3176149A1/en
Publication of EP3176149A4 publication Critical patent/EP3176149A4/en
Application granted granted Critical
Publication of EP3176149B1 publication Critical patent/EP3176149B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/86—Use of additives, e.g. for stabilisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/50—Preparation of compounds having groups by reactions producing groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/30—Compounds having groups
    • C07C43/313—Compounds having groups containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/14—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP15827733.5A 2014-07-30 2015-06-19 Method for improving preservation stability of 2,2-difluoroacetoaldehyde Active EP3176149B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014155544A JP6213417B2 (en) 2014-07-30 2014-07-30 Method for improving storage stability of 2,2-difluoroacetaldehyde
PCT/JP2015/067750 WO2016017318A1 (en) 2014-07-30 2015-06-19 Method for improving preservation stability of 2,2-difluoroacetoaldehyde

Publications (3)

Publication Number Publication Date
EP3176149A1 EP3176149A1 (en) 2017-06-07
EP3176149A4 true EP3176149A4 (en) 2017-08-09
EP3176149B1 EP3176149B1 (en) 2018-09-05

Family

ID=55217223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15827733.5A Active EP3176149B1 (en) 2014-07-30 2015-06-19 Method for improving preservation stability of 2,2-difluoroacetoaldehyde

Country Status (5)

Country Link
US (1) US9845278B2 (en)
EP (1) EP3176149B1 (en)
JP (1) JP6213417B2 (en)
CN (1) CN106536469B (en)
WO (1) WO2016017318A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6195028B1 (en) * 2017-02-02 2017-09-13 セントラル硝子株式会社 Method for preserving α, α-difluoroacetaldehyde alkyl hemiacetal
CN107438592B (en) * 2017-02-02 2018-09-11 中央硝子株式会社 The store method of α, α-difluoro acetaldehyde alkyl hemiacetal
WO2018180610A1 (en) * 2017-03-31 2018-10-04 セントラル硝子株式会社 PRODUCTION METHOD FOR α,α-DIFLUOROACETALDEHYDE HEMIACETAL
JP2019026628A (en) * 2017-08-04 2019-02-21 セントラル硝子株式会社 Preservation method of fluoroacetaldehydes
US11370736B2 (en) * 2019-04-01 2022-06-28 Triad National Security, Llc Synthesis of fluoro hemiacetals via transition metal-catalyzed fluoro ester and carboxamide hydrogenation
CN114736104B (en) * 2022-04-20 2024-04-19 上海恩氟佳科技有限公司 Synthesis method of difluoroacetaldehyde hemiethanol

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012405B1 (en) 1970-12-25 1975-05-12
GB9110962D0 (en) 1991-05-21 1991-07-10 Ici Plc Process
JP2730611B2 (en) 1993-03-11 1998-03-25 セントラル硝子株式会社 Process for producing optically active hydroxycarbonyl halides
JP4056105B2 (en) * 1997-06-05 2008-03-05 ダイセル化学工業株式会社 Storage method for halogen-substituted acetal monomers
KR100857312B1 (en) 2004-01-28 2008-09-05 미쓰이 가가쿠 가부시키가이샤 Amide derivatives, process for preparation thereof and use thereof as insecticide
JP2006104085A (en) * 2004-10-01 2006-04-20 Daicel Chem Ind Ltd Method for suppressing decomposition of ketal or acetal
JP4372091B2 (en) * 2005-11-29 2009-11-25 セントラル硝子株式会社 Method for improving storage stability of 3,3,3-trifluoropropionaldehyde
EP1950191B1 (en) * 2005-11-01 2011-10-19 Central Glass Co., Ltd. Process for producing 3,3,3-trifluoropropionic acid
BRPI0810784B1 (en) 2007-04-05 2017-04-18 The Martin Family Trust stable aqueous aldehyde solution
US9440900B2 (en) 2013-01-25 2016-09-13 Central Glass Company, Limited α,α-difluoroacetaldehyde production method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
D.R HUSTED ET AL: "The chemistry of the perfluoro acids and their derivatives", J.AM.CHEM.SOC., vol. 74, 1 January 1952 (1952-01-01), pages 5422 - 5426, XP055384532 *
SADANORI KANEKO ET AL: "A remarkably simple route to versatile difluoromethylated molecules", THE JOURNAL OF ORGANIC CHEMISTRY, vol. 58, no. 8, 1 April 1993 (1993-04-01), pages 2302 - 2312, XP055384535, ISSN: 0022-3263, DOI: 10.1021/jo00060a055 *
See also references of WO2016017318A1 *

Also Published As

Publication number Publication date
CN106536469B (en) 2018-02-13
JP6213417B2 (en) 2017-10-18
CN106536469A (en) 2017-03-22
EP3176149A1 (en) 2017-06-07
US20170197899A1 (en) 2017-07-13
WO2016017318A1 (en) 2016-02-04
US9845278B2 (en) 2017-12-19
EP3176149B1 (en) 2018-09-05
JP2016033114A (en) 2016-03-10

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